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Finding the Fourth Proportional to 144,779.60, 217,169.40 and 95,531.60

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Solution

The fourth proportional to 144,779.60, 217,169.40 and 95,531.60 is: 143,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,779.60 : 217,169.40 = 95,531.60 : x
  2. Step 2: Convert to fraction form
    144,779.60/217,169.40 = 95,531.60/x
  3. Step 3: Cross multiply
    144,779.60x = 217,169.40 × 95,531.60
  4. Step 4: Simplify right side
    144,779.60x = 20,746,540,253.04
  5. Step 5: Solve for x
    x = 20,746,540,253.04/144,779.60
  6. Step 6: Final answer
    x = 143,297.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.